我必须在每个查询中创建一个带有别名“Region”的常量列。此外,第一个查询必须标记为“中西部地区”和第二个“太平洋西北地区”。我很困惑,我应该如何别名每一个,同时也设置一个常数?我尝试在多个领域输入"as“,但我刚刚收到语法错误。我对SQL很陌生。from dealershipsfrom dealerships d
where state in ('WA', 'OR',
例如,假设我们在以下内容中提供内容: "title" : "Bitcoin drops 20% after $70M worth of bitcoin was stolen from Bitfinex exchange"
"body" : "Bitfinex, one of the most popular cryptocurrency exchanges online, has suffered a major hack. The company has posted a note on its website de